RF Switches

ATM manufactures a selection of switches. Readings are based on power flowing through an "on" Switch. When power is "off" switch is reflective.  Please call us with your requirements and discuss your needs with one of our design engineers.

 


                   Pin Diode Solid State Switches

GENERAL SPECIFICATIONS:

FREQUENCY:
0.5 - 18.0 GHz
RF POWER:
+10 dBm spec compliant
+30 dBm survival (CW)
PEAK POWER:
75 watt, 1 μs pulse width

Type

 SP1T Reflective SP2T Reflective SP3T Reflective SP4T Reflective
 

(Click on Model Numbers below for Outline drawings)
Model No. S1517D S2317D S3317D S4317D
Insertion Loss 2.5dB 2.5dB 3.0dB 3.0dB
Noise Figure*
Isolation 0.5-2GHz   2-18GHz
37dB           80dB   		60dB 55dB 55dB
VSWR Input 1.8:1 max 2.0:1 max 2.0:1 max 2.0:1 max
VSWR Output 1.8:1 max 2.0:1 max 2.0:1 max 2.0:1 max
Switching Speed (off/on) 20 ns max
(50% TTL to 90% RF)		 250 ns max
 (50% TTL to 10% RF)		 250 ns max
 (50% TTL to 10% RF)		 250 ns max
 (50% TTL to 10% RF)
Switching Speed (on/off) 20 ns max
(50% TTL to 90% RF)		 250 ns max
(50% TTL to 10% RF)		 250 ns max
 (50% TTL to 10% RF)		 250 ns max
 (50% TTL to 10% RF)
Control Logic TTL 1 line,
logic 1 path on (I.L.)		 2 line,
logic 1 path on (I.L.)		 3 line,
logic 1 path on (I.L.)		 4 line,
logic 1 path on (I.L.)
DC Power +15VDC at 40 mA
-15VDC at 40 mA		 +5VDC at 40 mA
-15VDC at 40 mA		 +5VDC at 60 mA
-15VDC at 40 mA		 +5VDC at 150 mA
-15VDC at 50 mA
Operating Temp - 45°C to
+ 85°C		 - 45°C to
+ 85°C		 - 45°C to
+ 85°C		 - 45°C to
+ 85°C

* Because the solid state switch is passive in nature, the noise figure of the switch is the same as it's insertion losss.  [For example: 2.5dB Insertion loss means 2.5dB noise figure]

 

Electromechanical Switches

Single-Pole/Double-Throw
Model No. S2810H**
Actuating Voltage: 24-32 VDC (28 VDC nominal)
Actuating Current: 160 mA max at 28 VDC and 72 F
Impedance: 50 ohms
Switching Time: 15 ms max
Operating Mode:* Failsafe
Operating Temp: -35 °C to +85 °C
Operating Life: 1,000,000 cycles
Connectors: SMA-(F) Standard

 ** For latching type with contact indicators add /L/C to Model Number, specifications match failsafe model.
 Example: S2810H becomes: S2810H/L/C when specifiying Latching capability and Indicator Contacts.
 See Outline dwg's for more information:  model S2810H model S2810H/L/C
Model S2810H Specifications
Freq (GHz) VSWR
(max)		 Insertion Loss
(max)		 Isolation
(min)		 RF Power CW(W)***
Low - High Freq.
DC - 3 1.2:1 0.2dB 80dB 200 - 75
3 - 8 1.3:1 0.3dB 70dB 75 - 35
8 - 12 1.4:1 0.4dB 65dB 35 - 25
12.4 - 18 1.5:1 0.5dB 60dB 25 - 10
18 - 22 1.6:1 0.6dB 55dB 10

 *** With 50 % or less duty suggested peak power is 3 x CW power.


 

 

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